import json
import os
import sys
from datetime import datetime

import django
from django.contrib.auth import get_user_model

print("\nTransfert des fiches annuaires :")

# Configuration
print("Paramétrage de Django...", end=" ")

os.environ.setdefault("DJANGO_SETTINGS_MODULE", "annuaire.settings")
django.setup()

User = get_user_model()

from authens.models import CASAccount  # noqa

from fiches.management.commands._ldap import ClipperLDAP  # noqa
from fiches.models import Address, Department, Mail, Phone, Profile  # noqa

print("[ok]")


# Utilitaires
def parse_date(s):
    try:
        return datetime.strptime(s, "%Y-%m-%d").date()
    except (ValueError, TypeError):
        return None


def get_text_field(data):
    text = ""
    if data["interests"]:
        text += "Mes intérêts :\n" + data["interests"] + "\n\n"
    if data["websites"]:
        text += "Mes pages web :\n\n" + data["websites"] + "\n\n"
    if data["comments"]:
        text += data["comments"] + "\n\n"
    return text


def get_address(data):
    content = data["lines"] + "\n"
    if data["zip"] and data["city"]:
        content += data["zip"] + ", " + data["city"]
    elif data["zip"] or data["city"]:
        content += data["zip"] + data["city"]
    if data["country"]:
        content += ", " + data["country"]
    return content


def parse_list(s):
    s = s or ""
    return [p for p in s.replace(",", ";").replace("\n", ";").split(";") if p]


def create_phones(s, profile, numeros, name="Téléphone"):
    for p in parse_list(s):
        numeros.append(Phone(profile=profile, name=name, number=p))


def create_mails(s, profile, mails, name="E-mail"):
    for m in parse_list(s):
        mails.append(Mail(profile=profile, name=name, mail=m))


print("Récupération des comptes clipper...", end=" ")

ldap = ClipperLDAP()
clippers = {c.uid: c for c in ldap.get_clipper_list(stdout=sys.stdout)}

print("[ok]")


depts = {
    dept: Department.objects.get_or_create(name=dept)[0].id
    for dept in ldap.verbose_depts.values()
}

users_to_create = []
users = {}
profiles_to_create = []
dept_m2m_to_create = []


print("Création des comptes...", end=" ")

for clipper in clippers.values():
    user = User(username=clipper.uid, email=clipper.email)
    users_to_create.append(user)

User.objects.bulk_create(users_to_create)
users = {u.username: (u, clippers[u.username]) for u in User.objects.all()}

print("[ok]")


print("Création des comptes Authens...", end=" ")

cas_accounts = []

for (u, c) in users.values():
    cas_accounts.append(CASAccount(user=u, cas_login=c.uid, entrance_year=c.year))

CASAccount.objects.bulk_create(cas_accounts)

print("[ok]")


fiches = {}
references = {}
adresses = []
devises = {}
numeros = []
mails = []
fiches_pk = {}

print("Récupération des anciennes fiches :")

# On recrée les profils
with open("old_fiches.json") as json_file:
    data = json.load(json_file)
    for obj in data:
        if obj["model"] == "annuaire.fiches2021":
            obj_data = obj["fields"]
            try:
                user, clipper = users[obj_data["login"]]
                fiches_pk[obj["pk"]] = user.username
                fiches[obj_data["login"]] = Profile(
                    user=user,
                    full_name=" ".join((obj_data["firstname"], obj_data["lastname"])),
                    promotion=clipper.year,
                    birth_date=parse_date((obj_data["birthdate"] or "")),
                    past_studies=(
                        (obj_data["past_studies"] or "")
                        + "\n"
                        + (obj_data["studies"] or "")
                    ).strip(),
                    experiences=(obj_data["experiences"] or ""),
                    thurne=(obj_data["room"] or ""),
                    text_field=get_text_field(obj_data),
                )
                create_phones(obj_data["phones"], fiches[obj_data["login"]], numeros)
                create_phones(
                    obj_data["mobiles"],
                    fiches[obj_data["login"]],
                    numeros,
                    name="Portable",
                )
                create_mails(obj_data["emails"], fiches[obj_data["login"]], mails)
                dept_m2m_to_create.append(
                    Profile.department.through(
                        profile=fiches[obj_data["login"]],
                        department_id=depts[clipper.dept],
                    )
                )
            except KeyError:
                print(f"\tLogin inconnu : {obj_data['login']}")
        elif obj["model"] == "annuaire.lesreferences2021":
            try:
                username = fiches_pk[obj["pk"]]
                surnom = obj["fields"]["nickname"]
                if surnom:
                    fiche = fiches[username]
                    if fiche.nickname:
                        fiche.nickname += ", "
                    fiche.nickname += surnom
            except KeyError:
                pass
        elif obj["model"] == "annuaire.adresses2021":
            try:
                username = fiches_pk[obj["pk"]]
                obj_data = obj["fields"]
                fiche = fiches[username]
                a = get_address(obj_data).strip()
                if a:
                    adresses.append(Address(profile=fiche, name="Adresse", content=a))
            except KeyError:
                pass
        elif obj["model"] == "annuaire.devises2021":
            try:
                username = fiches_pk[obj["pk"]]
                obj_data = obj["fields"]
                fiche = fiches[username]
                if obj_data["quote"]:
                    fiche.text_field += f"\n{obj_data['quote']}"
                if obj_data["source"]:
                    fiche.text_field += f" ({obj_data['source']})"
                if obj_data["author"]:
                    fiche.text_field += f", ({obj_data['author']})"
                if a:
                    adresses.append(Address(profile=fiche, name="Adresse", content=a))
            except KeyError:
                pass


print("Création des nouvelles fiches fiches...", end=" ")

Profile.objects.bulk_create(fiches.values())

profils = {p.user.username: p for p in Profile.objects.select_related("user")}

print("[ok]")


print("Rattachement des départements...", end=" ")

for dept_m2m in dept_m2m_to_create:
    dept_m2m.profile = profils[dept_m2m.profile.user.username]
Profile.department.through.objects.bulk_create(dept_m2m_to_create)

print("[ok]")


print("Création des numéros de téléphone...", end=" ")

for p in numeros:
    p.profile = profils[p.profile.user.username]
Phone.objects.bulk_create(numeros)

print("[ok]")


print("Création des adresses mail...", end=" ")

for m in mails:
    m.profile = profils[m.profile.user.username]
Mail.objects.bulk_create(mails)

print("[ok]")


print("Création des adresses...", end=" ")

for a in adresses:
    a.profile = profils[a.profile.user.username]
Address.objects.bulk_create(adresses)

print("[ok]")